Home
HelpTest Code HIBAG Histoplasma and Blastomyces Antigen, Enzyme Immunoassay, Serum
Specimen Required
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 1.5 mL
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Useful For
Diagnosing Histoplasma capsulatum or Blastomyces dermatitidis infection without differentiation between the organisms
Monitor antigen levels following initiation of antifungal treatment
Reporting Name
Histoplasma/Blastomyces Ag, EIA, SSpecimen Type
SerumSpecimen Minimum Volume
1.2 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Refrigerated (preferred) | 28 days | |
| Frozen | 28 days | ||
| Ambient | 72 hours |
Reject Due To
| Gross hemolysis | Reject |
| Gross lipemia | Reject |
| Gross icterus | Reject |
| Heat-inactivated specimen | Reject |
Reference Values
Histoplasma/Blastomyces Antigen Result:
Not Detected
Histoplasma/Blastomyces Antigen Value:
Not Detected
Detected: <1.5 ng/mL
Detected: 1.5-25.0 ng/mL
Detected: >25.0 ng/mL
Reference values apply to all ages.
Day(s) Performed
Monday through Saturday
Report Available
Same day/1 to 3 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
87449
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| HIBAG | Histoplasma/Blastomyces Ag, EIA, S | 101587-4 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 619492 | Histoplasma/Blastomyces Ag Result | 101588-2 |
| 619493 | Histoplasma/Blastomyces Ag Value | 101589-0 |